Home / 16,781.70-25,172.12-4,301.48

Finding the Fourth Proportional to 16,781.70, 25,172.12 and 4,301.48

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Solution

The fourth proportional to 16,781.70, 25,172.12 and 4,301.48 is: 6,452.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,781.70 : 25,172.12 = 4,301.48 : x
  2. Step 2: Convert to fraction form
    16,781.70/25,172.12 = 4,301.48/x
  3. Step 3: Cross multiply
    16,781.70x = 25,172.12 × 4,301.48
  4. Step 4: Simplify right side
    16,781.70x = 108,277,370.74
  5. Step 5: Solve for x
    x = 108,277,370.74/16,781.70
  6. Step 6: Final answer
    x = 6,452.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.